Verify the HP Z800 has a compatible SAS controller installed
Install a PCIe SAS HBA or RAID controller that supports SAS drives
Connect the SAS drive to the controller using the correct SAS cable or backplane
Connect power to the SAS drive
Enter the system BIOS and confirm the controller is detected
Update the HP Z800 BIOS and SAS controller firmware if needed
Configure the controller in RAID or HBA mode as required
Create a RAID array in the controller utility if using RAID
Set the boot order to prioritize the SAS controller if installing the operating system on the SAS drive
Install the operating system and load the SAS controller drivers if required
Verify the SAS drive is recognized in the operating system
Check drive health and controller status after installation